#tab_nav {
	height: 30px;
	width: 400px;
	line-height: 24px;
	margin-left: -30px;
}
#tab_nav li {
	float: left;
	margin: 0 5px;
	list-style: none;
	height: 30px;
	width: 80px;
	display: block;
	border: 1px solid #999;
	border-radius: 5px;
	line-height: 30px;
	text-align: center;
	background: #FFF;
	background-color: #D6D7DB;
}
#tab_nav li:hover{
	background-color: #F0AD4E;
}
#tab_nav a {
	font: bold 14px/24px "微软雅黑", Verdana, Arial, Helvetica, sans-serif;
	color: green;
	text-decoration: none;
	padding: 4px;
}
a:hover {
	color: red;
}
#tab_content {
	width: auto;
	height: 320px;
	border: 4px dotted #2A6496;
	outline: solid 6px #18A367;
	border-radius: 5px;
	font: bold 16px "微软雅黑", Verdana, Arial, Helvetica, sans-serif;
	background: #FFF;
	overflow: hidden;
	word-break: break-all;
	padding-left: 5px;
	margin-top: 10px;
	margin-bottom: 40px;
}
#t_1,
#t_2,
#t_3 {
	width: auto;
	height: 320px;
	padding-top: 5px;
}
.contentline{
	height: 1px;
	background: #EEE8D8;
}
